<%--
  Created by IntelliJ IDEA.
  User: Administrator
  Date: 2021/9/15/015
  Time: 16:40
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>2</title>
</head>
<body>
<h1>2</h1>

pageContext:<%=pageContext.getAttribute("username")%><br>
request:<%=request.getAttribute("username")%><br>
session:<%=session.getAttribute("username")%><br>
application:<%=application.getAttribute("username")%><br>

</body>
</html>
